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Ganezh [65]
3 years ago
13

Which of the following statements is true? Water is not a limiting factor in an aquatic ecosystem. An ecosystem can carry an unl

imited number of organisms. In a balanced ecosystem, there is no competition for resources. Population density is number of individual organisms of a species living in a unit of area.
Biology
2 answers:
Nutka1998 [239]3 years ago
6 0

the last one.


hope this helps

astraxan [27]3 years ago
6 0

Answer:

Population density is number of individual organisms of a species living in a unit of area.

Explanation:

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autotrophs

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Questions
nydimaria [60]

Answer:

  1. guard cells
  2. monocots: evenly distributed, dicots: more dense on lower leaf
  3. Carbon dioxide

Explanation:

Stomata are pores in the leaf surface of plants. they regulate the exchange of moisture and gases in plants.  They open at night for the exchange absorption of Carbon dioxide and expulsion of Oxygen, while closing at the middle of the day to prevent evaporation of moisture or water in transpiration. These pores are opened or closed depending on the state of the two surrounding guard cells.

The somata are found on both the upper and the lower leaf surface. in dicots, the stomata are noticeably denser on the lower leaf surface, while they are evenly distributed on both leaf surfaces on monocots.

7 0
3 years ago
Precipitation and evaporation are important components of the
uysha [10]
Hey Vanelsa. Let me help you on this one.

In this question, we will need to fill a certain word in the blank at the end of this statement. Let's take a closer look at this sentence in order for us to get a correct answer.

Both precipitation and evaporation deal with certain actions that take place within water cycle - cycle in which water circulates around the liquid, gas, and sometimes, even solid form. 

In the water cycle, water turns into gas because of heat - this process is called evaporation. This gas goes up, and then, it's carried with the clouds. Once the gas form is cold enough, it will turn into water, and fall from the sky in form of the rain - this process is called precipitation.

I will be attaching image of the water cycle for you to better understand it.

Answer: Precipitation and evaporation are important components of the water cycle.


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4 years ago
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